Micro SD card driver for the EFM32GG_DK3750 development kit. More...
#include "em_device.h"
#include "microsdconfig.h"
#include "em_gpio.h"
#include "integer.h"
Go to the source code of this file.
Defines | |
#define | CMD0 (0) |
GO_IDLE_STATE. | |
#define | CMD1 (1) |
SEND_OP_COND. | |
#define | ACMD41 (41 | 0x80) |
SEND_OP_COND (SDC). | |
#define | CMD8 (8) |
SEND_IF_COND. | |
#define | CMD9 (9) |
SEND_CSD. | |
#define | CMD10 (10) |
SEND_CID. | |
#define | CMD12 (12) |
STOP_TRANSMISSION. | |
#define | ACMD13 (13 | 0x80) |
SD_STATUS (SDC). | |
#define | CMD16 (16) |
SET_BLOCKLEN. | |
#define | CMD17 (17) |
READ_SINGLE_BLOCK. | |
#define | CMD18 (18) |
READ_MULTIPLE_BLOCK. | |
#define | CMD23 (23) |
SET_BLOCK_COUNT. | |
#define | ACMD23 (23 | 0x80) |
SET_WR_BLK_ERASE_COUNT (SDC). | |
#define | CMD24 (24) |
WRITE_BLOCK. | |
#define | CMD25 (25) |
WRITE_MULTIPLE_BLOCK. | |
#define | CMD41 (41) |
SEND_OP_COND (ACMD). | |
#define | CMD55 (55) |
APP_CMD. | |
#define | CMD58 (58) |
READ_OCR. | |
Functions | |
void | MICROSD_Init (void) |
Initialize the SPI peripheral for microSD card usage. | |
void | MICROSD_Deinit (void) |
Deinitialize SPI peripheral. | |
int | MICROSD_Select (void) |
Select the micro SD card and wait for the card to become ready. | |
void | MICROSD_Deselect (void) |
Deselect the micro SD card and release the SPI bus. | |
void | MICROSD_PowerOn (void) |
Turn on micro SD card power. | |
void | MICROSD_PowerOff (void) |
Turn off micro SD card power. | |
int | MICROSD_BlockRx (uint8_t *buff, uint32_t btr) |
Receive a data block from micro SD card. | |
int | MICROSD_BlockTx (const uint8_t *buff, uint8_t token) |
Send a data block to micro SD card. | |
uint8_t | MICROSD_SendCmd (uint8_t cmd, DWORD arg) |
Send a command packet to micro SD card. | |
uint8_t | MICROSD_XferSpi (uint8_t data) |
Do one SPI transfer. | |
void | MICROSD_SpiClkFast (void) |
Set SPI clock to maximum frequency. | |
void | MICROSD_SpiClkSlow (void) |
Set SPI clock to a low frequency suitable for initial card initialization. | |
bool | MICROSD_TimeOutElapsed (void) |
Check if timeout value set with MICROSD_TimeOutSet() has elapsed. | |
void | MICROSD_TimeOutSet (uint32_t msec) |
Set a timeout value. |
Micro SD card driver for the EFM32GG_DK3750 development kit.
(C) Copyright 2012 Energy Micro AS, http://www.energymicro.com
Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. 4. The source and compiled code may only be used on Energy Micro "EFM32" microcontrollers and "EFR4" radios.
DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Energy Micro AS has no obligation to support this Software. Energy Micro AS is providing the Software "AS IS", with no express or implied warranties of any kind, including, but not limited to, any implied warranties of merchantability or fitness for any particular purpose or warranties against infringement of any proprietary rights of a third party.
Energy Micro AS will not be liable for any consequential, incidental, or special damages, or any other relief, or for any claim by any third party, arising from your use of this Software.
Definition in file microsd.h.